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Senior Application Developer Jobs in Rochester, NY

Application Engineer I

Batavia, NY · On-site

$67K - $85K/yr

Take direction from senior engineer, supervisor, and/or manager. b. Initiate interdepartmental ... application software. 2. Ability and willingness to abide by set policies and/or safety programs ...

Application Engineer I

Batavia, NY · On-site

$67K - $85K/yr

Take direction from senior engineer, supervisor, and/or manager. b. Initiate interdepartmental ... application software. 2. Ability and willingness to abide by set policies and/or safety programs ...

Application Engineer I

Batavia, NY · On-site

$67K - $85K/yr

Take direction from senior engineer, supervisor, and/or manager. b. Initiate interdepartmental ... application software. 2. Ability and willingness to abide by set policies and/or safety programs ...

Sr. Electronic Engineer

Rochester, NY · On-site

$88.43 - $147.38/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Sr. Electronic Engineer at MKS Instruments, you will partner with the Sustaining Engineering ... Work within cross‑functional teams that include design, application, manufacturing and test ...

New

Sr. Software Engineer

Rochester, NY · On-site

$110 - $170/hr

  • Medical

  • PTO

We're looking for a Senior Java Developer to join our ever-evolving Heartland School Solutions ... Design and deliver scalable web applications and application programming interfaces (APIs) that ...

New

Sr. Electronic Engineer

Rochester, NY

$88K - $147K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Sr. Electronic Engineer at MKS Instruments, you will partner with the Sustaining Engineering ... Work within cross-functional teams that include design, application, manufacturing and test ...

Sr. Electronic Engineer

Rochester, NY · On-site

$88K - $147K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Sr. Electronic Engineer at MKS Instruments, you will partner with the Sustaining Engineering ... Work within cross-functional teams that include design, application, manufacturing and test ...

Sr. Electronic Engineer

Rochester, NY · On-site

$88K - $147K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Sr. Electronic Engineer at MKS Instruments, you will partner with the Sustaining Engineering ... Work within cross-functional teams that include design, application, manufacturing and test ...

Sr. Software Engineer

Rochester, NY · On-site

$120K - $159K/yr

We're looking for a Senior Java Developer to join our ever-evolving Heartland School Solutions ... Design and deliver scalable web applications and application programming interfaces (APIs) that ...

Sr. Software Engineer

Rochester, NY · On-site

$120K - $159K/yr

We're looking for a Senior Java Developer to join our ever-evolving Heartland School Solutions ... Design and deliver scalable web applications and application programming interfaces (APIs) that ...

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Showing results 1-20

Senior Application Developer information

See Rochester, NY salary details

$53.3K

$113.4K

$157.4K

How much do senior application developer jobs pay per year?

As of Aug 20, 2026, the average yearly pay for senior application developer in Rochester, NY is $113,424.00, according to ZipRecruiter salary data. Most workers in this role earn between $94,800.00 and $130,300.00 per year, depending on experience, location, and employer.

What is a senior application developer?

Senior Application Developers are experienced professionals who design, build, and maintain complex software applications. They lead development teams, make key architectural decisions, and ensure that software projects meet technical standards and business requirements. In addition to writing code, they often mentor junior developers, troubleshoot high-level issues, and collaborate with other departments to deliver robust solutions. Their expertise helps organizations create scalable and efficient applications tailored to business needs.

What are the key skills and qualifications needed to thrive as a senior application developer?

To thrive as a Senior Application Developer, you need advanced programming skills, a deep understanding of software development lifecycles, and typically a bachelor’s degree in computer science or related fields. Mastery of languages like Java, C#, or Python, experience with frameworks, databases, and familiarity with version control systems (such as Git) are essential, and certifications like AWS Certified Developer or Microsoft Certified: Azure Developer Associate can be advantageous. Strong problem-solving, leadership, and communication skills help you manage projects and mentor junior developers. These skills are crucial for delivering robust, scalable applications and ensuring effective collaboration within development teams.

What are some typical challenges faced by senior application developers when leading development projects?

Senior Application Developers often encounter challenges such as balancing project deadlines with code quality, managing technical debt, and integrating new technologies into existing systems. They are typically responsible for mentoring junior developers, which requires strong communication and leadership skills. Additionally, they must collaborate closely with cross-functional teams, such as QA, UX/UI designers, and product managers, to ensure that project requirements are met while maintaining scalability and performance standards.

What is the difference between Senior Application Developer vs Application Engineer?

AspectSenior Application DeveloperApplication Engineer
Required CredentialsBachelor's degree in CS or related field; 5+ years experience; programming certificationsBachelor's degree in CS or related field; 3+ years experience; technical certifications
Work EnvironmentDesigning, developing, and maintaining applications; leading projectsImplementing, testing, and supporting applications; collaborating with development teams
Employer & Industry UsageTech companies, finance, healthcare; senior roles in software developmentIT firms, manufacturing, telecom; technical support and implementation roles

While both roles involve application development, Senior Application Developers typically lead projects and have more experience, whereas Application Engineers focus on implementing and supporting applications within technical teams.

How much does a senior application developer make?

The average salary for a senior application developer typically ranges from $100,000 to $150,000 annually, depending on experience, location, and industry. Skilled developers with expertise in specific programming languages, frameworks, or certifications may earn higher compensation. Salaries can also vary based on company size and project complexity.

What are the most commonly searched types of Application Developer jobs in Rochester, NY?

The most popular types of Application Developer jobs in Rochester, NY are:

What cities near Rochester, NY are hiring for Senior Application Developer jobs?

Cities near Rochester, NY with the most Senior Application Developer job openings:

Infographic showing various Senior Application Developer job openings in Rochester, NY as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $113,424 per year, or $54.5 per hour.

Senior Associate, Application Developer

L3Harris Technologies

Rochester, NY

$94K - $130K/yr

Full-time

Medical, Retirement, PTO

Posted 9 days ago


Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Senior Associate, Application Developer

Job Code:42443

Job Location: (On Site) Melbourne, FL; Rochester, NY; Salt Lake City, UT; or Rockwall TX

Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off

Job Description:

This position is responsible for developing, implementing, and maintaining AI-powered applications and automation solutions that drive business value across the enterprise. This role combines application development expertise with data engineering and artificial intelligence capabilities to build intelligent systems that enhance operational efficiency and enable data-driven decision-making. The selected candidate will work closely with software application development, data engineering, IT, and business stakeholders to deliver secure, scalable, and business-relevant solutions.

Essential Functions:

  • Design, develop, test, and maintain AI-powered applications and automation solutions using modern development frameworks and cloud platforms
  • Work within Palantir Foundry (or similar platforms) to build data-driven applications and analytical workflows
  • Support end-to-end software development activities, including requirements analysis, architecture, coding, integration, testing, and deployment
  • Build and integrate LLM-based applications leveraging generative AI technologies for business use cases
  • Develop agentic AI systems that can autonomously perform tasks, make decisions, and interact with multiple tools and APIs
  • Create and maintain data pipelines for AI model integration, feature engineering, and real-time inference
  • Implement AI solutions for classification, prediction, natural language processing, and computer vision applications
  • Build automation workflows that integrate AI capabilities with existing enterprise systems and business processes
  • Develop APIs, microservices, and supporting components to expose AI functionality to downstream applications and users
  • Perform model evaluation, validation, and performance analysis using appropriate technical metrics
  • Optimize application performance, scalability, and cost-efficiency of AI workloads
  • Ensure compliance with software development standards, cybersecurity requirements, data protection policies, and responsible AI practices
  • Collaborate with cross-functional teams to translate business and technical needs into effective solutions
  • Evaluate and integrate emerging AI technologies and frameworks to maintain competitive advantage
  • Prepare and maintain technical documentation, design artifacts, user guides, and test results
  • Troubleshoot and resolve issues in production AI systems, implementing monitoring and alerting solutions
  • Support lifecycle sustainment of deployed capabilities including defect resolution and performance improvements
  • Participate in agile development processes including sprint planning, daily standups, retrospectives, and technical reviews
  • Contribute to the development of reusable AI components and internal libraries
  • Contribute technical solutions within established architectures and development processes
  • Identify risks and recommend mitigation strategies
  • Stay current with the rapidly evolving AI landscape and share knowledge with the broader team

Qualifications:

  • Bachelor's Degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.

Preferred Additional Skills:

  • Strong programming skills and experience with at least one modern programming language (Python, Java, C#, JavaScript, etc.)
  • Hands-on experience working with LLMs and generative AI APIs
  • Demonstrated experience building and deploying applications that integrate AI capabilities
  • Experience with software integration, REST APIs, and service-based architectures
  • Proficiency in data manipulation and analysis using pandas, SQL, and data warehousing concepts
  • Familiarity with version control (Git), automated builds, testing processes, and modern development workflows
  • Experience with Palantir Foundry platform for building data applications and workflows
  • Knowledge of agentic AI frameworks (LangChain, LangGraph, AutoGPT, CrewAI, etc.)
  • Experience with vector databases and RAG architecture
  • Familiarity with prompt engineering techniques and LLM fine-tuning approaches
  • Front-end development skills (React, Vue, or similar) for building AI application interfaces

In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is $80,500-$149,500. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state, and Vermont is $70,500-$130,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

#LI-NR1

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Employment Type: Full-Time